hi!
we have a problem with a MS cluster, where hosts are connected to a PC5548 switches. there are two stacked PC5548 with VLANs for LiveMigration, Cluster communication and LAN. recently we had several major crashes.
on the switch the logs shows:
6 2147478624 13~Jan~2015 20:48:19 Notice %STCK SYSL-N-UNITMSG: UNIT ID 2,Msg:%SYSLOG-N-LOGGING: Logging started.
7 2147478625 13~Jan~2015 20:48:12 Warning %STP-W-PORTSTATUS: gi2/0/37: STP status Forwarding
8 2147478626 13~Jan~2015 20:48:11 Warning %STP-W-PORTSTATUS: gi2/0/48: STP status Forwarding
9 2147478627 13~Jan~2015 20:48:11 Warning %STP-W-PORTSTATUS: gi2/0/47: STP status Forwarding
10 2147478628 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/46: STP status Forwarding
11 2147478629 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/45: STP status Forwarding
12 2147478630 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/44: STP status Forwarding
13 2147478631 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/43: STP status Forwarding
14 2147478632 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/41: STP status Forwarding
15 2147478633 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/36: STP status Forwarding
16 2147478634 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/35: STP status Forwarding
17 2147478635 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/34: STP status Forwarding
18 2147478636 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/33: STP status Forwarding
19 2147478637 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/32: STP status Forwarding
20 2147478638 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/31: STP status Forwarding
21 2147478639 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/29: STP status Forwarding
22 2147478640 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/22: STP status Forwarding
23 2147478641 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/24: STP status Forwarding
24 2147478642 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/23: STP status Forwarding
25 2147478643 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/40: STP status Forwarding
26 2147478644 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/39: STP status Forwarding
27 2147478645 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/38: STP status Forwarding
28 2147478646 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/21: STP status Forwarding
29 2147478647 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/20: STP status Forwarding
30 2147478648 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/19: STP status Forwarding
31 2147478649 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/18: STP status Forwarding
32 2147478650 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/13: STP status Forwarding
33 2147478651 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/12: STP status Forwarding
34 2147478652 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/11: STP status Forwarding
35 2147478653 13~Jan~2015 20:48:10 Warning %STP-W-PORTSTATUS: gi2/0/10: STP status Forwarding
36 2147478654 13~Jan~2015 20:48:09 Warning %STP-W-PORTSTATUS: gi2/0/9: STP status Forwarding
37 2147478655 13~Jan~2015 20:48:09 Warning %STP-W-PORTSTATUS: gi2/0/8: STP status Forwarding
38 2147478656 13~Jan~2015 20:48:09 Warning %STP-W-PORTSTATUS: gi2/0/4: STP status Forwarding
39 2147478657 13~Jan~2015 20:47:42 Info %LINK-I-Up: gi2/0/37
40 2147478658 13~Jan~2015 20:47:41 Info %LINK-I-Up: gi2/0/48
41 2147478659 13~Jan~2015 20:47:41 Info %LINK-I-Up: gi2/0/47
42 2147478660 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/46
43 2147478661 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/45
44 2147478662 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/44
45 2147478663 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/43
46 2147478664 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/41
47 2147478665 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/36
48 2147478666 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/35
49 2147478667 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/34
50 2147478668 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/33
51 2147478669 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/32
52 2147478670 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/31
53 2147478671 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/29
54 2147478672 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/22
55 2147478673 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/24
56 2147478674 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/40
57 2147478675 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/39
58 2147478676 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/23
59 2147478677 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/38
60 2147478678 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/21
61 2147478679 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/20
62 2147478680 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/19
63 2147478681 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/18
64 2147478682 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/13
65 2147478683 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/12
66 2147478684 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/11
67 2147478685 13~Jan~2015 20:47:40 Info %LINK-I-Up: gi2/0/10
68 2147478686 13~Jan~2015 20:47:39 Warning %LINK-W-Down: te2/0/2
69 2147478687 13~Jan~2015 20:47:39 Info %LINK-I-Up: gi2/0/9
70 2147478688 13~Jan~2015 20:47:39 Info %LINK-I-Up: gi2/0/8
71 2147478689 13~Jan~2015 20:47:39 Info %LINK-I-Up: gi2/0/4
72 2147478690 13~Jan~2015 20:47:38 Warning %LINK-W-Down: te2/0/1
73 2147478691 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/48
74 2147478692 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/47
75 2147478693 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/46
76 2147478694 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/45
77 2147478695 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/44
78 2147478696 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/43
79 2147478697 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/42
80 2147478698 13~Jan~2015 20:47:37 Warning %LINK-W-Down: gi2/0/41
81 2147478699 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/40
82 2147478700 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/39
83 2147478701 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/38
84 2147478702 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/37
85 2147478703 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/36
86 2147478704 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/35
87 2147478705 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/34
88 2147478706 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/33
89 2147478707 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/32
90 2147478708 13~Jan~2015 20:47:36 Warning %LINK-W-Down: gi2/0/31
91 2147478709 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/30
92 2147478710 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/29
93 2147478711 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/28
94 2147478712 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/27
95 2147478713 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/26
96 2147478714 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/25
97 2147478715 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/24
98 2147478716 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/23
99 2147478717 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/22
100 2147478718 13~Jan~2015 20:47:35 Warning %LINK-W-Down: gi2/0/21
101 2147478719 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/20
102 2147478720 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/19
103 2147478721 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/18
104 2147478722 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/17
105 2147478723 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/16
106 2147478724 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/15
107 2147478725 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/14
108 2147478726 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/13
109 2147478727 13~Jan~2015 20:47:34 Warning %LINK-W-Down: gi2/0/12
110 2147478728 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/11
111 2147478729 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/10
112 2147478730 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/9
113 2147478731 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/8
114 2147478732 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/7
115 2147478733 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/6
116 2147478734 13~Jan~2015 20:47:33 Warning %LINK-W-Down: gi2/0/5
117 2147478735 13~Jan~2015 20:47:32 Warning %LINK-W-Down: gi2/0/4
118 2147478736 13~Jan~2015 20:47:32 Warning %LINK-W-Down: gi2/0/3
119 2147478737 13~Jan~2015 20:47:32 Info %DSYNCH-I-SYNCH_SUCCEEDED: Synchronization with unit 2 is finished successfully
120 2147478738 13~Jan~2015 20:47:32 Warning %LINK-W-Down: gi2/0/2
121 2147478739 13~Jan~2015 20:47:32 Warning %LINK-W-Down: gi2/0/1
122 2147478740 13~Jan~2015 20:47:29 Info %Entity-I-SEND-ENT-CONF-CHANGE-TRAP: entity configuration change trap.
123 2147478741 13~Jan~2015 20:47:29 Info %Stack-I-STACK-LINK-CHNG: Stack cable connected : link 1 on unit-2
124 2147478742 13~Jan~2015 20:47:29 Info %Stack-I-STACK-LINK-CHNG: Stack cable connected : link 0 on unit-1
125 2147478743 13~Jan~2015 20:47:25 Info %STCK SYSL-I-UNITMSG: UNIT ID 2,Msg:%MLDP-I-CONNECT: Connection to Unit 1 is established.
126 2147478744 13~Jan~2015 20:47:25 Info %STCK SYSL-I-UNITMSG: UNIT ID 2,Msg:%MLDP-I-SLAVE: Switching to the Slave Mode.
127 2147478745 13~Jan~2015 20:47:25 Info %STCK SYSL-I-UNITMSG: UNIT ID 2,Msg:%Stack-I-LINK UP: link 1 on unit-2
128 2147478746 13~Jan~2015 20:47:25 Info %STCK SYSL-I-UNITMSG: UNIT ID 2,Msg:%INIT-I-InitCompleted: Initialization task is completed
129 2147478747 13~Jan~2015 20:47:25 Info %MLDP-I-CONNECT: Connection to Unit 2 is established.
130 2147478748 13~Jan~2015 20:47:08 Info %Stack-I-LINK UP: link 0 on unit-1
131 2147478749 13~Jan~2015 20:47:03 Warning %Stack-W-LINK DOWN: link 0 on unit-1
132 2147478750 13~Jan~2015 20:47:02 Info %Stack-I-LINK UP: link 0 on unit-1
133 2147478751 13~Jan~2015 20:46:34 Info %Entity-I-SEND-ENT-CONF-CHANGE-TRAP: entity configuration change trap.
134 2147478752 13~Jan~2015 20:46:34 Info %Stack-I-STACK-LINK-CHNG: Stack cable removed : link 1 on unit-2
135 2147478753 13~Jan~2015 20:46:34 Info %Stack-I-STACK-LINK-CHNG: Stack cable removed : link 0 on unit-1
136 2147478754 13~Jan~2015 20:46:34 Info %Stack-I-STCK-BCKUP-REM: Backup master unit 2 was removed from the stack.
137 2147478755 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: te2/0/2
138 2147478756 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: te2/0/1
139 2147478757 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/48
140 2147478758 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/47
141 2147478759 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/46
142 2147478760 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/45
143 2147478761 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/44
144 2147478762 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/43
145 2147478763 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/42
146 2147478764 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/41
147 2147478765 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/40
148 2147478766 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/39
149 2147478767 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/38
150 2147478768 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/37
151 2147478769 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/36
152 2147478770 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/35
153 2147478771 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/34
154 2147478772 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/33
155 2147478773 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/32
156 2147478774 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/31
157 2147478775 13~Jan~2015 20:46:34 Warning %LINK-W-Not Present: gi2/0/30
there is no rule for the 3o-48 ports - some of them are is default VLAN, some are in tagged VLAN for cluster communication...
- what is difference between LINK-W-Not Present and LINK-W-Down?
- may it be some power disruption?... but it's just several seconds...
- how to debug the problem - is this caused by a switch or rather problems on the cluster side?
thx!